134  * @defgroup uart_interrupt Interrupt-driven UART API
158  * @defgroup uart_async Async UART API
339 /** @brief Driver API structure. */
473 	const struct uart_driver_api *api =  in z_impl_uart_err_check()  local
474 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_err_check()
476 	if (api->err_check == NULL) {  in z_impl_uart_err_check()
480 	return api->err_check(dev);  in z_impl_uart_err_check()
484  * @defgroup uart_polling Polling UART API
511 	const struct uart_driver_api *api =  in z_impl_uart_poll_in()  local
512 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_poll_in()
514 	if (api->poll_in == NULL) {  in z_impl_uart_poll_in()
518 	return api->poll_in(dev, p_char);  in z_impl_uart_poll_in()
536  * @retval -ENOTSUP If API is not enabled.
546 	const struct uart_driver_api *api =  in z_impl_uart_poll_in_u16()  local
547 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_poll_in_u16()
549 	if (api->poll_in_u16 == NULL) {  in z_impl_uart_poll_in_u16()
553 	return api->poll_in_u16(dev, p_u16);  in z_impl_uart_poll_in_u16()
581 	const struct uart_driver_api *api =  in z_impl_uart_poll_out()  local
582 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_poll_out()
584 	api->poll_out(dev, out_char);  in z_impl_uart_poll_out()
607 	const struct uart_driver_api *api =  in z_impl_uart_poll_out_u16()  local
608 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_poll_out_u16()
610 	api->poll_out_u16(dev, out_u16);  in z_impl_uart_poll_out_u16()
640 	const struct uart_driver_api *api =  in z_impl_uart_configure()  local
641 				(const struct uart_driver_api *)dev->api;  in z_impl_uart_configure()
643 	if (api->configure == NULL) {  in z_impl_uart_configure()
646 	return api->configure(dev, cfg);  in z_impl_uart_configure()
668 	const struct uart_driver_api *api =  in z_impl_uart_config_get()  local
669 				(const struct uart_driver_api *)dev->api;  in z_impl_uart_config_get()
671 	if (api->config_get == NULL) {  in z_impl_uart_config_get()
675 	return api->config_get(dev, cfg);  in z_impl_uart_config_get()
701  * @retval -ENOTSUP If API is not enabled.
708 	const struct uart_driver_api *api =  in uart_fifo_fill()  local
709 		(const struct uart_driver_api *)dev->api;  in uart_fifo_fill()
711 	if (api->fifo_fill == NULL) {  in uart_fifo_fill()
715 	return api->fifo_fill(dev, tx_data, size);  in uart_fifo_fill()
742  * @retval -ENOTSUP If API is not enabled.
749 	const struct uart_driver_api *api =  in uart_fifo_fill_u16()  local
750 		(const struct uart_driver_api *)dev->api;  in uart_fifo_fill_u16()
752 	if (api->fifo_fill_u16 == NULL) {  in uart_fifo_fill_u16()
756 	return api->fifo_fill_u16(dev, tx_data, size);  in uart_fifo_fill_u16()
787  * @retval -ENOTSUP If API is not enabled.
793 	const struct uart_driver_api *api =  in uart_fifo_read()  local
794 		(const struct uart_driver_api *)dev->api;  in uart_fifo_read()
796 	if (api->fifo_read == NULL) {  in uart_fifo_read()
800 	return api->fifo_read(dev, rx_data, size);  in uart_fifo_read()
831  * @retval -ENOTSUP If API is not enabled.
838 	const struct uart_driver_api *api =  in uart_fifo_read_u16()  local
839 		(const struct uart_driver_api *)dev->api;  in uart_fifo_read_u16()
841 	if (api->fifo_read_u16 == NULL) {  in uart_fifo_read_u16()
845 	return api->fifo_read_u16(dev, rx_data, size);  in uart_fifo_read_u16()
864 	const struct uart_driver_api *api =  in z_impl_uart_irq_tx_enable()  local
865 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_tx_enable()
867 	if (api->irq_tx_enable != NULL) {  in z_impl_uart_irq_tx_enable()
868 		api->irq_tx_enable(dev);  in z_impl_uart_irq_tx_enable()
885 	const struct uart_driver_api *api =  in z_impl_uart_irq_tx_disable()  local
886 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_tx_disable()
888 	if (api->irq_tx_disable != NULL) {  in z_impl_uart_irq_tx_disable()
889 		api->irq_tx_disable(dev);  in z_impl_uart_irq_tx_disable()
912  * @retval -ENOTSUP If API is not enabled.
917 	const struct uart_driver_api *api =  in uart_irq_tx_ready()  local
918 		(const struct uart_driver_api *)dev->api;  in uart_irq_tx_ready()
920 	if (api->irq_tx_ready == NULL) {  in uart_irq_tx_ready()
924 	return api->irq_tx_ready(dev);  in uart_irq_tx_ready()
941 	const struct uart_driver_api *api =  in z_impl_uart_irq_rx_enable()  local
942 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_rx_enable()
944 	if (api->irq_rx_enable != NULL) {  in z_impl_uart_irq_rx_enable()
945 		api->irq_rx_enable(dev);  in z_impl_uart_irq_rx_enable()
962 	const struct uart_driver_api *api =  in z_impl_uart_irq_rx_disable()  local
963 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_rx_disable()
965 	if (api->irq_rx_disable != NULL) {  in z_impl_uart_irq_rx_disable()
966 		api->irq_rx_disable(dev);  in z_impl_uart_irq_rx_disable()
990  * @retval -ENOTSUP If API is not enabled.
995 	const struct uart_driver_api *api =  in uart_irq_tx_complete()  local
996 		(const struct uart_driver_api *)dev->api;  in uart_irq_tx_complete()
998 	if (api->irq_tx_complete == NULL) {  in uart_irq_tx_complete()
1001 	return api->irq_tx_complete(dev);  in uart_irq_tx_complete()
1026  * @retval -ENOTSUP If API is not enabled.
1031 	const struct uart_driver_api *api =  in uart_irq_rx_ready()  local
1032 		(const struct uart_driver_api *)dev->api;  in uart_irq_rx_ready()
1034 	if (api->irq_rx_ready == NULL) {  in uart_irq_rx_ready()
1037 	return api->irq_rx_ready(dev);  in uart_irq_rx_ready()
1053 	const struct uart_driver_api *api =  in z_impl_uart_irq_err_enable()  local
1054 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_err_enable()
1056 	if (api->irq_err_enable) {  in z_impl_uart_irq_err_enable()
1057 		api->irq_err_enable(dev);  in z_impl_uart_irq_err_enable()
1074 	const struct uart_driver_api *api =  in z_impl_uart_irq_err_disable()  local
1075 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_err_disable()
1077 	if (api->irq_err_disable) {  in z_impl_uart_irq_err_disable()
1078 		api->irq_err_disable(dev);  in z_impl_uart_irq_err_disable()
1093  * @retval -ENOTSUP If API is not enabled.
1100 	const struct uart_driver_api *api =  in z_impl_uart_irq_is_pending()  local
1101 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_is_pending()
1103 	if (api->irq_is_pending == NULL) {  in z_impl_uart_irq_is_pending()
1106 	return api->irq_is_pending(dev);  in z_impl_uart_irq_is_pending()
1136  * @retval -ENOTSUP If API is not enabled.
1143 	const struct uart_driver_api *api =  in z_impl_uart_irq_update()  local
1144 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_irq_update()
1146 	if (api->irq_update == NULL) {  in z_impl_uart_irq_update()
1149 	return api->irq_update(dev);  in z_impl_uart_irq_update()
1169  * @retval -ENOTSUP If API is not enabled.
1176 	const struct uart_driver_api *api =  in uart_irq_callback_user_data_set()  local
1177 		(const struct uart_driver_api *)dev->api;  in uart_irq_callback_user_data_set()
1179 	if ((api != NULL) && (api->irq_callback_set != NULL)) {  in uart_irq_callback_user_data_set()
1180 		api->irq_callback_set(dev, cb, user_data);  in uart_irq_callback_user_data_set()
1204  * @retval -ENOTSUP If API is not enabled.
1225  * it can be used to detect if the device supports asynchronous API. Remaining
1226  * API does not have that detection.
1234  * @retval -ENOTSUP If API not enabled.
1241 	const struct uart_driver_api *api =  in uart_callback_set()  local
1242 			(const struct uart_driver_api *)dev->api;  in uart_callback_set()
1244 	if (api->callback_set == NULL) {  in uart_callback_set()
1248 	return api->callback_set(dev, callback, user_data);  in uart_callback_set()
1270  * @retval -ENOTSUP If API is not enabled.
1283 	const struct uart_driver_api *api =  in z_impl_uart_tx()  local
1284 			(const struct uart_driver_api *)dev->api;  in z_impl_uart_tx()
1286 	return api->tx(dev, buf, len, timeout);  in z_impl_uart_tx()
1309  * @retval -ENOTSUP If API is not enabled.
1322 	const struct uart_driver_api *api =  in z_impl_uart_tx_u16()  local
1323 			(const struct uart_driver_api *)dev->api;  in z_impl_uart_tx_u16()
1325 	return api->tx_u16(dev, buf, len, timeout);  in z_impl_uart_tx_u16()
1343  * @retval -ENOTSUP If API is not enabled.
1352 	const struct uart_driver_api *api =  in z_impl_uart_tx_abort()  local
1353 			(const struct uart_driver_api *)dev->api;  in z_impl_uart_tx_abort()
1355 	return api->tx_abort(dev);  in z_impl_uart_tx_abort()
1378  * @retval -ENOTSUP If API is not enabled.
1392 	const struct uart_driver_api *api =  in z_impl_uart_rx_enable()  local
1393 				(const struct uart_driver_api *)dev->api;  in z_impl_uart_rx_enable()
1395 	return api->rx_enable(dev, buf, len, timeout);  in z_impl_uart_rx_enable()
1421  * @retval -ENOTSUP If API is not enabled.
1434 	const struct uart_driver_api *api =  in z_impl_uart_rx_enable_u16()  local
1435 				(const struct uart_driver_api *)dev->api;  in z_impl_uart_rx_enable_u16()
1437 	return api->rx_enable_u16(dev, buf, len, timeout);  in z_impl_uart_rx_enable_u16()
1462  * @retval -ENOTSUP If API is not enabled.
1471 	const struct uart_driver_api *api =  in uart_rx_buf_rsp()  local
1472 				(const struct uart_driver_api *)dev->api;  in uart_rx_buf_rsp()
1474 	return api->rx_buf_rsp(dev, buf, len);  in uart_rx_buf_rsp()
1499  * @retval -ENOTSUP If API is not enabled
1508 	const struct uart_driver_api *api =  in uart_rx_buf_rsp_u16()  local
1509 				(const struct uart_driver_api *)dev->api;  in uart_rx_buf_rsp_u16()
1511 	return api->rx_buf_rsp_u16(dev, buf, len);  in uart_rx_buf_rsp_u16()
1531  * @retval -ENOTSUP If API is not enabled.
1540 	const struct uart_driver_api *api =  in z_impl_uart_rx_disable()  local
1541 			(const struct uart_driver_api *)dev->api;  in z_impl_uart_rx_disable()
1543 	return api->rx_disable(dev);  in z_impl_uart_rx_disable()
1563  * @retval -ENOTSUP If API is not enabled.
1573 	const struct uart_driver_api *api =  in z_impl_uart_line_ctrl_set()  local
1574 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_line_ctrl_set()
1576 	if (api->line_ctrl_set == NULL) {  in z_impl_uart_line_ctrl_set()
1579 	return api->line_ctrl_set(dev, ctrl, val);  in z_impl_uart_line_ctrl_set()
1597  * @retval -ENOTSUP If API is not enabled.
1607 	const struct uart_driver_api *api =  in z_impl_uart_line_ctrl_get()  local
1608 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_line_ctrl_get()
1610 	if (api->line_ctrl_get == NULL) {  in z_impl_uart_line_ctrl_get()
1613 	return api->line_ctrl_get(dev, ctrl, val);  in z_impl_uart_line_ctrl_get()
1634  * @retval -ENOTSUP If API is not enabled.
1643 	const struct uart_driver_api *api =  in z_impl_uart_drv_cmd()  local
1644 		(const struct uart_driver_api *)dev->api;  in z_impl_uart_drv_cmd()
1646 	if (api->drv_cmd == NULL) {  in z_impl_uart_drv_cmd()
1649 	return api->drv_cmd(dev, cmd, p);  in z_impl_uart_drv_cmd()